IBM Clearcase "mvfs" module leads to an oops in kern_addr_valid, unable to handle paging request.

Solution Verified - Updated -

Issue

  • Upgrading to the latest version of Clearcase from IBM on Red Hat Enterprise Linux 6 lead to a kernel crash:
BUG: unable to handle kernel paging request at ffffae6f746d6520
RIP: 0010:[<ffffffff81040df2>] [<ffffffff81040df2>] kern_addr_valid+0xc2/0x110

Environment

  • Red Hat Enterprise Linux 6.2
  • IBM Clearcase
  • mvfs

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